STY: Apply ruff/refurb preview rule FURB148

FURB148 `enumerate` index is unused, use `for x in y` instead

Author: DimitriPapadopoulos

nibabel/cifti2/tests/test_cifti2io_header.py

@@ -72,7 +72,7 @@ def test_read_and_proxies():
 
 @needs_nibabel_data('nitest-cifti2')
 def test_version():
-    for i, dat in enumerate(datafiles):
+    for dat in datafiles:
         img = nib.load(dat)
         assert Version(img.header.version) == Version('2')
 

nibabel/tests/test_round_trip.py

@@ -108,23 +108,23 @@ def test_round_trip():
     iuint_types = [t for t in iuint_types if t in nifti_supported]
     f_types = [np.float32, np.float64]
     # Expanding standard deviations
-    for i, sd_10 in enumerate(sd_10s):
+    for sd_10 in sd_10s:
         sd = 10.0**sd_10
         V_in = rng.normal(0, sd, size=(N, 1))
-        for j, in_type in enumerate(f_types):
-            for k, out_type in enumerate(iuint_types):
+        for in_type in f_types:
+            for out_type in iuint_types:
                 check_arr(sd_10, V_in, in_type, out_type, scaling_type)
     # Spread integers across range
-    for i, sd in enumerate(np.linspace(0.05, 0.5, 5)):
-        for j, in_type in enumerate(iuint_types):
+    for sd in np.linspace(0.05, 0.5, 5):
+        for in_type in iuint_types:
             info = np.iinfo(in_type)
             mn, mx = info.min, info.max
             type_range = mx - mn
             center = type_range / 2.0 + mn
             # float(sd) because type_range can be type 'long'
             width = type_range * float(sd)
             V_in = rng.normal(center, width, size=(N, 1))
-            for k, out_type in enumerate(iuint_types):
+            for out_type in iuint_types:
                 check_arr(sd, V_in, in_type, out_type, scaling_type)